Credit Suisse First Boston Mortgage Securities Corp. Home Equity Asset Trust 2004-6 Sample Contracts

Credit Suisse First Boston Mortgage Securities Corp. Home Equity Asset Trust 2004-6 – AMENDMENT NO. 1 Dated as of June 1, 2005 to POOLING AND SERVICING AGREEMENT Dated as of August 1, 2004 among CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP., Depositor, DLJ MORTGAGE CAPITAL, INC., Seller, OCWEN FEDERAL BANK FSB, Servicer WELLS FARGO BANK, N.A., Servicer and Back-Up Servicer THE MURRAYHILL COMPANY, Credit Risk Manager and Trustee Home Equity Asset Trust 2004-6 HOME EQUITY PASS-THROUGH CERTIFICATES, SERIES 2004-6 (January 9th, 2006)

THIS AMENDMENT NO. 1, dated as of June 1, 2005 (the “Amendment”), to the Pooling and Servicing Agreement (the “Pooling and Servicing Agreement”), dated as of August 1, 2004, among CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP., a Delaware corporation, as depositor (the “Depositor”), DLJ MORTGAGE CAPITAL, INC., a Delaware corporation, as seller (in such capacity, the “Seller”), OCWEN FEDERAL BANK FSB, a federally chartered savings bank, as a servicer (in such capacity, a “Servicer”), WELLS FARGO BANK, N.A., a national banking association, as a servicer (in such capacity, a “Servicer”), and as back-up servicer (the “Back-Up Servicer”), THE MURRAYHILL COMPANY, a Colorado corporation, as credit risk manager (the “Credit Risk Manager”), and U.S. BANK NATIONAL ASSOCIATION, a national banking association, as trustee (the “Trustee”).

Credit Suisse First Boston Mortgage Securities Corp. Home Equity Asset Trust 2004-6 – Credit Suisse First Boston Mortgage Securities Corp. (January 6th, 2005)
Credit Suisse First Boston Mortgage Securities Corp. Home Equity Asset Trust 2004-6 – Credit Suisse First Boston Mortgage Securities Corp. (November 30th, 2004)
Credit Suisse First Boston Mortgage Securities Corp. Home Equity Asset Trust 2004-6 – Credit Suisse First Boston Mortgage Securities Corp. (October 26th, 2004)
Credit Suisse First Boston Mortgage Securities Corp. Home Equity Asset Trust 2004-6 – Credit Suisse First Boston Mortgage Securities Corp. (September 27th, 2004)